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#11
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Agfa Neutol
"UC" wrote in message oups.com... I have not used this stuff, while I still have some Bromophen mixed to use up. Both are history? I may go back to mixing my own paper developer. I like Gevaert 252. I`ve been thinking along those lines myself. I have bought the following raw constituents from Rayco-Chemicals: Sodium Hexametaphosphate. Metol developing agent. Hydroquinone. Sodium Sulphite (anhydrous.) Sodium Carbonate (anhydrous.) Potassium Bromide. My intention is to make my own Kodak D-163 print developer. I also bought a Weigh station WS-500 electronic scale made by ON BALANCE (TM) which can weigh up to 500g in 0.1g increments. The unit requires a 9V alkaline battery or 9V 300mA Adaptor (optional.) The problem now is calibrating the scales. The instructions read as follows: 1. Press "ON/OFF" to switch the scale on. 2. Press "UNIT" key for 3 seconds. 3. Display shows "CAL", then "CAL 0", then "LoAd" and "200g" alternately. 4. Load 200grams on the platform. 5. When weight is stable, display shows "LoAd" and "500g" alternatively. 6. Load 500grams on the platform, display shows "donE", then "500g". 7. The calibration is completed. Then I can place a container (Tray, bag etc) on the platform and press the "ZERO" key before weighing the components. I don`t suppose anyone knows where I could buy an accurate 200 gram and 500 gram weights in the UK? |
#12
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Agfa Neutol
I use an ancient Ohaus.
Good enough for 1/2 gram accuracy. I mix at least one gallon of everything, so I multiply the gram amounts by 3.785 Keith Tapscott wrote: "UC" wrote in message oups.com... I have not used this stuff, while I still have some Bromophen mixed to use up. Both are history? I may go back to mixing my own paper developer. I like Gevaert 252. I`ve been thinking along those lines myself. I have bought the following raw constituents from Rayco-Chemicals: Sodium Hexametaphosphate. Metol developing agent. Hydroquinone. Sodium Sulphite (anhydrous.) Sodium Carbonate (anhydrous.) Potassium Bromide. My intention is to make my own Kodak D-163 print developer. I also bought a Weigh station WS-500 electronic scale made by ON BALANCE (TM) which can weigh up to 500g in 0.1g increments. The unit requires a 9V alkaline battery or 9V 300mA Adaptor (optional.) The problem now is calibrating the scales. The instructions read as follows: 1. Press "ON/OFF" to switch the scale on. 2. Press "UNIT" key for 3 seconds. 3. Display shows "CAL", then "CAL 0", then "LoAd" and "200g" alternately. 4. Load 200grams on the platform. 5. When weight is stable, display shows "LoAd" and "500g" alternatively. 6. Load 500grams on the platform, display shows "donE", then "500g". 7. The calibration is completed. Then I can place a container (Tray, bag etc) on the platform and press the "ZERO" key before weighing the components. I don`t suppose anyone knows where I could buy an accurate 200 gram and 500 gram weights in the UK? |
#13
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Agfa Neutol
Keith Tapscott wrote:
I don`t suppose anyone knows where I could buy an accurate 200 gram and 500 gram weights in the UK? If banks in the UK still count coins by weighing them then coins should be pretty accurate in aggregate even if they show small sample to sample variations. 25 small 50p coins should weigh 200g. 40 20p coins should weigh 200g 100 20p coins should weigh 500g. The Royal Mint has historically been very good in this regard. In Canada, the RCM has been messing around with coin weights in the last few years so you need to sort by date in order to trust the weight of coins. If banks in the UK still weigh coins than you should still be able to trust groups of coins as weights. Bronze UK coinage weighs 55 grains (3.564 grams) per p. in case you need Imperial weights. Peter. -- |
#14
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Agfa Neutol
Try e-bay searching for 'Ohaus'.
Keith Tapscott wrote: "UC" wrote in message oups.com... I have not used this stuff, while I still have some Bromophen mixed to use up. Both are history? I may go back to mixing my own paper developer. I like Gevaert 252. I`ve been thinking along those lines myself. I have bought the following raw constituents from Rayco-Chemicals: Sodium Hexametaphosphate. Metol developing agent. Hydroquinone. Sodium Sulphite (anhydrous.) Sodium Carbonate (anhydrous.) Potassium Bromide. My intention is to make my own Kodak D-163 print developer. I also bought a Weigh station WS-500 electronic scale made by ON BALANCE (TM) which can weigh up to 500g in 0.1g increments. The unit requires a 9V alkaline battery or 9V 300mA Adaptor (optional.) The problem now is calibrating the scales. The instructions read as follows: 1. Press "ON/OFF" to switch the scale on. 2. Press "UNIT" key for 3 seconds. 3. Display shows "CAL", then "CAL 0", then "LoAd" and "200g" alternately. 4. Load 200grams on the platform. 5. When weight is stable, display shows "LoAd" and "500g" alternatively. 6. Load 500grams on the platform, display shows "donE", then "500g". 7. The calibration is completed. Then I can place a container (Tray, bag etc) on the platform and press the "ZERO" key before weighing the components. I don`t suppose anyone knows where I could buy an accurate 200 gram and 500 gram weights in the UK? |
#15
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Agfa Neutol
"Keith Tapscott" wrote in message ... Fotospeed are selling a Hydroquinone free print developer called HF3 (liquid concentrate) which I beleive also uses an Ascorbic acid derivative and should make a suitable alternative. Perhaps in the fullness of time Ilford may introduce a similar one. I would certainly be interested in a Hydroquinone version of their DD-X film developer if ever they consider it. "Richard Knoppow" wrote in message oups.com... Mike wrote: Do you mean a Hydroquinone _free_ version of DDX? DDX is essentially a liquid concentrate version of Microphen. It is similar to other Phenidone based concentrate developers like Kodak T-Max. Kodak Xtol is a Phenidone and Ascorbic acid developer. Unfortunately, it seems to have a short term failure problem. Kodak denies this but I've experienced it with the 5 liter size. -- --- Richard Knoppow Los Angeles, CA, USA |
#16
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Agfa Neutol
"UC" wrote in message oups.com... I have not used this stuff, while I still have some Bromophen mixed to use up. Both are history? I may go back to mixing my own paper developer. I like Gevaert 252. Keith Tapscott wrote: Bromophen seems to be alive and well. Ilford has a published formula for a developer which is eseentially the same, although probably not identical to the packaged stuff. Ilford ID-62 (Stock Solution) Water (at 125F or 52C) 750.0 ml Sodium Sulfite, dessicated 50.0 grams Hydroquinone 12.0 grams Sodium Carbonate, anhydrous 60.0 grams Phenidone 0.5 grams Potassium Bromide 2.0 grams Benzotriazole 0.2 grams Water to make 1.0 liter For paper dilute 1 part stock to 2 parts water. Those familiar with Kodak D-72 (essentially the same as Dektol) will recognize that this is a very similar developer using Phenidone instead of Metol. It has similar characteristics to the Metol and Hydroquinone developer but tends to produce more neutral tones. It is a useful developer for those with a Metol sensitivity. -- --- Richard Knoppow Los Angeles, CA, USA |
#17
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Agfa Neutol
Richard Knoppow wrote: "UC" wrote in message oups.com... I have not used this stuff, while I still have some Bromophen mixed to use up. Both are history? I may go back to mixing my own paper developer. I like Gevaert 252. Keith Tapscott wrote: Bromophen seems to be alive and well. Ilford has a published formula for a developer which is eseentially the same, although probably not identical to the packaged stuff. Ilford ID-62 (Stock Solution) Water (at 125F or 52C) 750.0 ml Sodium Sulfite, dessicated 50.0 grams Hydroquinone 12.0 grams Sodium Carbonate, anhydrous 60.0 grams Phenidone 0.5 grams Potassium Bromide 2.0 grams Benzotriazole 0.2 grams Water to make 1.0 liter For paper dilute 1 part stock to 2 parts water. Those familiar with Kodak D-72 (essentially the same as Dektol) will recognize that this is a very similar developer using Phenidone instead of Metol. It has similar characteristics to the Metol and Hydroquinone developer but tends to produce more neutral tones. It is a useful developer for those with a Metol sensitivity. I am aware of these formulae. I was talking about the packaged product Bromophen. It seems to have excellent keeping properties, showing no discoloration or loss of potency over long periods of storage in stock solution. I have not yet tried the Neutol Plus. My personal favorite formulae are 54-D (Defender/duPont) and G252 (Gevaert). -- --- Richard Knoppow Los Angeles, CA, USA |
#18
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Agfa Neutol
"UC" wrote in message oups.com... Richard Knoppow wrote: "UC" wrote in message oups.com... I have not used this stuff, while I still have some Bromophen mixed to use up. Both are history? I may go back to mixing my own paper developer. I like Gevaert 252. Keith Tapscott wrote: Bromophen seems to be alive and well. Ilford has a published formula for a developer which is eseentially the same, although probably not identical to the packaged stuff. Ilford ID-62 (Stock Solution) Water (at 125F or 52C) 750.0 ml Sodium Sulfite, dessicated 50.0 grams Hydroquinone 12.0 grams Sodium Carbonate, anhydrous 60.0 grams Phenidone 0.5 grams Potassium Bromide 2.0 grams Benzotriazole 0.2 grams Water to make 1.0 liter For paper dilute 1 part stock to 2 parts water. Those familiar with Kodak D-72 (essentially the same as Dektol) will recognize that this is a very similar developer using Phenidone instead of Metol. It has similar characteristics to the Metol and Hydroquinone developer but tends to produce more neutral tones. It is a useful developer for those with a Metol sensitivity. I am aware of these formulae. I was talking about the packaged product Bromophen. It seems to have excellent keeping properties, showing no discoloration or loss of potency over long periods of storage in stock solution. I have not yet tried the Neutol Plus. My personal favorite formulae are 54-D (Defender/duPont) and G252 (Gevaert). FWIW, Defender 54D is exactly identical to Kodak D-73. These developers are somewhat more active than D-72/Dektol and were intended to produce blue-black tones on photofinishing paper. Those who want cold tones on neutral tone paper should give this formula a try. Several of the Defender formulas are indentical to Kodak ones. Kodak seems to have kept Defender alive for quite a while perhaps because Defender helped to protect Kodak against anti-trust action. A unique Defender developer which I used a long time ago when it was available packaged, is 55D. This has no exact equivalent. It is a general purpose developer, a little less active and more warm toned than Dektol. The basic formula has quite a bit of Potassium bromide in it and Defender recommended adding even more than specified below for warmer tones. Defender 55D Portrait Paper Developer (Stock Solution) Water (at 125F or 52C) 500.0 ml Metol 2.5 grams Sodium sulfite, dessicated 37.5 grams Hydroquinone 10.0 grams Sodium Carbonate, dessicated 37.5 grams Potassium Bromide 4.0 to 13.0 grams Water to make 1.0 liter For use dilute 1 part stock to 2 parts water. Exposure should be timed so that development is complete in 1-1/2 to 2 minutes. Shorter development yields warmer tones, longer development cooler tones. -- --- Richard Knoppow Los Angeles, CA, USA |
#19
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Agfa Neutol
I have several old volumes of the Photo Lab Index and a volume called
Photographic Facts and Formulas by Wall, ed 1972. I have every formula known to man. I have tried many of these paper formulas, back in the 70's, and found little difference. I even used amidol on Velour Black. Alrhough many people swear it's special, I found almost no difference with amidol, though I never saw anything better. I did like 54-D and G252 the best, hiwever, on duPont materials. I always believed that any benefit to amidol was simply that it was not suppressed much by bromide, a property that phenidone shares, and for that reason I recently began to use Bromophen, a phenidone-based developer. Richard Knoppow wrote: "UC" wrote in message oups.com... Richard Knoppow wrote: "UC" wrote in message oups.com... I have not used this stuff, while I still have some Bromophen mixed to use up. Both are history? I may go back to mixing my own paper developer. I like Gevaert 252. Keith Tapscott wrote: Bromophen seems to be alive and well. Ilford has a published formula for a developer which is eseentially the same, although probably not identical to the packaged stuff. Ilford ID-62 (Stock Solution) Water (at 125F or 52C) 750.0 ml Sodium Sulfite, dessicated 50.0 grams Hydroquinone 12.0 grams Sodium Carbonate, anhydrous 60.0 grams Phenidone 0.5 grams Potassium Bromide 2.0 grams Benzotriazole 0.2 grams Water to make 1.0 liter For paper dilute 1 part stock to 2 parts water. Those familiar with Kodak D-72 (essentially the same as Dektol) will recognize that this is a very similar developer using Phenidone instead of Metol. It has similar characteristics to the Metol and Hydroquinone developer but tends to produce more neutral tones. It is a useful developer for those with a Metol sensitivity. I am aware of these formulae. I was talking about the packaged product Bromophen. It seems to have excellent keeping properties, showing no discoloration or loss of potency over long periods of storage in stock solution. I have not yet tried the Neutol Plus. My personal favorite formulae are 54-D (Defender/duPont) and G252 (Gevaert). FWIW, Defender 54D is exactly identical to Kodak D-73. These developers are somewhat more active than D-72/Dektol and were intended to produce blue-black tones on photofinishing paper. Those who want cold tones on neutral tone paper should give this formula a try. Several of the Defender formulas are indentical to Kodak ones. Kodak seems to have kept Defender alive for quite a while perhaps because Defender helped to protect Kodak against anti-trust action. A unique Defender developer which I used a long time ago when it was available packaged, is 55D. This has no exact equivalent. It is a general purpose developer, a little less active and more warm toned than Dektol. The basic formula has quite a bit of Potassium bromide in it and Defender recommended adding even more than specified below for warmer tones. Defender 55D Portrait Paper Developer (Stock Solution) Water (at 125F or 52C) 500.0 ml Metol 2.5 grams Sodium sulfite, dessicated 37.5 grams Hydroquinone 10.0 grams Sodium Carbonate, dessicated 37.5 grams Potassium Bromide 4.0 to 13.0 grams Water to make 1.0 liter For use dilute 1 part stock to 2 parts water. Exposure should be timed so that development is complete in 1-1/2 to 2 minutes. Shorter development yields warmer tones, longer development cooler tones. -- --- Richard Knoppow Los Angeles, CA, USA |
#20
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Agfa Neutol
I finally mixed up some of this last night. The bottle label shows 1+4
and 1+9 dilutions. I tried the latter, and got weak blacks. I'll try the 1+4 dilution before I throw the stuff in the trash. UC wrote: Through a local photo dealer, I have come into possession of some Agfa Neutol paper developer in what looks like a 500ml or 1 litre size. The fluid in the bottle seems to be dark coloured. Is this normal? The dealer does not know how old it is, and he has more of it if I want it. I have not used any of it yet, and am wondering if anyone has any experience with this product. |
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